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Literature summary for 2.4.2.1 extracted from

  • Bromley, J.R.; Warnes, B.J.; Newell, C.A.; Thomson, J.C.; James, C.M.; Turnbull, C.G.; Hanke, D.E.
    A purine nucleoside phosphorylase in Solanum tuberosum L. (potato) with specificity for cytokinins contributes to the duration of tuber endodormancy (2014), Biochem. J., 458, 225-237.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
stolon
-
Solanum tuberosum
-
tuber
-
Solanum tuberosum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
adenosine + phosphate
-
Solanum tuberosum adenine + alpha-D-ribose 1-phosphate
-
r
cytokinin + phosphate the enzyme prefers cytokinin to unsubstituted aminopurines Solanum tuberosum ? + alpha-D-ribose 1-phosphate
-
r
dihydrozeatin riboside + phosphate
-
Solanum tuberosum dihydrozeatin + alpha-D-ribose 1-phosphate
-
r
isopentenyladenosine + phosphate
-
Solanum tuberosum isopentenyladenine + alpha-D-ribose 1-phosphate
-
r
additional information the enzyme has no detectable ribohydrolase activity Solanum tuberosum ?
-
?
trans-zeatin riboside + phosphate
-
Solanum tuberosum trans-zeatin + alpha-D-ribose 1-phosphate
-
r

Synonyms

Synonyms Comment Organism
CKP1
-
Solanum tuberosum
cytokinin riboside phosphorylase
-
Solanum tuberosum
purine nucleoside phosphorylase
-
Solanum tuberosum

General Information

General Information Comment Organism
physiological function the enzyme is active in tubers as a negative regulator of cytokinins, prolonging endodormancy by a chill-reversible mechanism Solanum tuberosum